Palmitic acid released from honeybee worker larvae attracts the parasitic miteVarroa jacobsoni on a servosphere

Rickli, M.; Guérin, Patrick M.; Diehl, Peter A.

doi:10.1007/bf01138711

Cited by 63 publications

(51 citation statements)

References 10 publications

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“…that mites do not use these substances to identify a host's sex (Rickli et al, 1992(Rickli et al, , 1994Boot, 1994;Donzé et al, 1998;Calderone and Lin, 2001). …”

Section: Models For Host Acquisitionmentioning

confidence: 99%

Differential tending of worker and drone larvae of the honey bee,Apis mellifera, during the 60 hours prior to cell capping

Calderone

Kuenen

2003

Apidologie

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-Varroa destructor is a parasitic mite of A. mellifera. Female mites reproduce on both drone and worker brood; but they are found 5-9 times more often on drone brood. We examined larval tending by brood nest bees to determine if this behavior could provide an explanation for these differences. We observed workers tending worker and drone larvae in three observation colonies commencing 60 h prior to the completion of cell capping, an interval that includes the susceptible periods of both types of brood. Workers invested 2.78 times more time tending drone larvae than worker larvae, a difference due primarily to a greater number of tending acts directed towards drone brood. This finding demonstrates that phoretic mites may have more opportunity to enter drone brood. The 2.78 fold difference in time tending larvae combined with the previously reported 2-4-fold differences in the lengths of the periods when cells are capped could explain a 5.56-11.12 fold difference in mite levels in worker and drone brood, similar to 'previously' reported differences.Varroa destructor / Apis mellifera / nurse bee / cell capping

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“…that mites do not use these substances to identify a host's sex (Rickli et al, 1992(Rickli et al, , 1994Boot, 1994;Donzé et al, 1998;Calderone and Lin, 2001). …”

Section: Models For Host Acquisitionmentioning

confidence: 99%

Differential tending of worker and drone larvae of the honey bee,Apis mellifera, during the 60 hours prior to cell capping

Calderone

Kuenen

2003

Apidologie

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“…Rickli et al (1992) demonstrated that palmitic acid, which was detected among the volatiles emitted by bee larvae, attracted the mite on a servosphere. Later Rickli et al (1994) showed that some saturated, straight chain, odd-numbered C19-C29 hydrocarbons found in cuticle extracts of 8-day-old larvae induced an arrestment response in V. destructor.…”

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confidence: 99%

Semiochemicals from larval food affect the locomotory behaviour of Varroa destructor

et al. 2001

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“…Applications of methyl palmitate to worker larvae did not increase the number of mites in worker cells (Boot, 1994); and methyl palmitate was detectable in only 2 of 17 samples of volatiles from attractive brood. Rickli et al (1992) were unable to detect the putative attractants in headspace analysis of larval volatiles, but did find palmitic acid and reported that mites on a servosphere tracked airstreams with palmitic acid. Calderone and Lin (2001) found that mites were arrested in similar proportions by extracts of worker and drone larvae at all ages during their susceptible periods.…”

Section: Discussionmentioning

confidence: 99%

“…Le Conte et al (1989) reported that mites are attracted to a blend of three aliphatic esters (methyl and ethyl palmitate and methyl linolenate) that are produced in greater quantities and over a longer period of time (Trouiller et al, 1991(Trouiller et al, , 1992 by drone larvae than worker larvae. Other compounds are also involved in the host acquisition process (Rickli et al, 1992(Rickli et al, , 1994Boot, 1994;Donzé et al, 1998;Calderone and Lin, 2001). Alternatively, the observed bias may be a result of differences in the physical characteristics of worker and drone, larval-cell complexes (De Ruijter and Calis, 1988;De Jong and Morse, 1988;Goetz and Koeniger, 1993;Boot et al, 1995;Kuenen and Calderone, 2000;Calderone and Kuenen, 2001).…”

Section: Varroa Destructor Anderson and Truemanmentioning

confidence: 99%

Differential infestation of honey bee, Apis mellifera, worker and queen brood by the parasitic mite Varroa destructor

2002

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-We examined the distribution of Varroa destructor on worker and queen brood in colonies of A. mellifera. With both worker and queen hosts present, the mite prevalence value for worker hosts was 75.0 ± 4.0% (lsmean ± SE), compared to 5.1 ± 4.0% for queen hosts (P < 0.0001). We also examined the response of mites to cuticular extracts of 5th instar worker and queen larvae using arrestment bioassays. In binary-choice tests at 0.5 larval equivalents (Leq), worker extract arrested 84.79 ± 4.98% of the mites, while queen extract arrested 15.21 ± 4.98% (P < 0.0001). At 0.8 Leq, worker extract arrested 89.75 ± 4.98%, while queen extract arrested 10.25 ± 4.98% (P < 0.0001). We also measured the repellent activity of royal jelly extract in a repellent bioassay. Royal jelly extract repelled 78.5 ± 2.6% of mites at 5 mg royal jelly equivalents (Rjeq); 85.6 ± 3.7% at 10 mg Rjeq; and 89.2 ± 3.8% at 20 mg Rjeq. The response at each dose was greater than the 10.5 ± 2.9% mites repelled by solvent controls (P < 0.0001). Our findings suggest that the low incidence of mites in queen brood is due, in part, to the repellent activity of royal jelly, and possibly to intrinsic differences between larval chemistries.Apis mellifera / Varroa jacobsoni / Varroa destructor / parasitic mite / royal jelly

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Palmitic acid released from honeybee worker larvae attracts the parasitic miteVarroa jacobsoni on a servosphere

Cited by 63 publications

References 10 publications

Differential tending of worker and drone larvae of the honey bee,Apis mellifera, during the 60 hours prior to cell capping

Differential tending of worker and drone larvae of the honey bee,Apis mellifera, during the 60 hours prior to cell capping

Semiochemicals from larval food affect the locomotory behaviour of Varroa destructor

Differential infestation of honey bee, Apis mellifera, worker and queen brood by the parasitic mite Varroa destructor

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